1 #ifndef ALIMUONSURVEYOBJ_H
2 #define ALIMUONSURVEYOBJ_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
7 /// \class AliMUONSurveyObj
8 /// \brief Base class for survey of muon spectrometer
10 // Author: Javier Castillo
24 class AliMUONSurveyObj:public TObject
29 virtual ~AliMUONSurveyObj();
31 virtual Int_t AddStickerTargets(TObjArray *pArray, TString stBaseName, Int_t lTargetMax = 9);
32 virtual Int_t AddGButtonTargets(TObjArray *pArray, TString btBaseName, Int_t lTargetMax = 9);
33 virtual Int_t AddLButtonTargets(TObjArray *pArray, TString btBaseName, Int_t lTargetMax = 9);
35 /// To be implemented in a concrete Chamber or DetElem class
36 virtual Int_t AddStickerTargets(TString stBaseName, Int_t lTargetMax = 9) = 0;
37 /// To be implemented in a concrete Chamber or DetElem class
38 virtual Int_t AddGButtonTargets(TString btBaseName, Int_t lTargetMax = 9) = 0;
40 void AddStickerTarget(AliSurveyPoint *stPoint);
41 void AddGButtonTarget(AliSurveyPoint *btPoint);
42 void AddLButtonTarget(AliSurveyPoint *btPoint);
43 void AddLButtonTarget(TVector3 *btVector);
45 Int_t GetNStickerTargets();
46 AliSurveyPoint *GetStickerTarget(Int_t stIndex);
47 Int_t GetNGButtonTargets();
48 AliSurveyPoint *GetGButtonTarget(Int_t btIndex);
49 Int_t GetNLButtonTargets();
50 AliSurveyPoint *GetLButtonTarget(Int_t btIndex);
51 /// Set transformation of geoemtrical element
52 void SetBaseTransformation(TGeoCombiTrans *baseTrf, Bool_t ownerBaseTrf = kFALSE) {
54 fOwnerBaseTrf=ownerBaseTrf;
56 /// Set local transformation of geometrical element
57 virtual void SetLocalTransformation(TGeoCombiTrans *localTrf, Bool_t ownerLocalTrf = kFALSE) {
59 fOwnerLocalTrf=ownerLocalTrf;
62 /// Returns the local transformation
63 TGeoCombiTrans* GetLocalTrf() const {return fLocalTrf;}
64 /// Returns the base (global) transformation
65 TGeoCombiTrans* GetBaseTrf() const {return fBaseTrf;}
66 /// Returns the alignment transformation
67 TGeoCombiTrans* GetAlignTrf()const {return fAlignTrf;}
69 /// Define wether to work in mm (survey units) or cm (alice units)
70 void SetUseCM(Bool_t bUseCM = kTRUE) {fUseCM = bUseCM;}
71 /// Indicates if working in mm (survey units) or cm (alice units)
72 Bool_t GetUseCM() const {return fUseCM;}
74 void SetPlane(TString pName, Double_t xMin=-2000., Double_t xMax=+2000., Double_t yMin=-2000., Double_t yMax=2000.);
75 void SetPlaneParameters(Double_t p0, Double_t p1, Double_t p2);
80 /// Returns the plane (TF2) representing the object
81 TF2* GetPlane() const {return fPlane;}
83 /// Returns the TFitter used for the best local to global transformation determination
84 TFitter* GetFitter() const {return fFitter;}
86 Int_t SurveyToAlign(TGeoCombiTrans &quadTransf, Double_t *parErr, Double_t psi=0., Double_t tht=0., Double_t epsi=0., Double_t etht=0.);
87 Int_t SurveyToAlign(Double_t psi=0., Double_t tht=0., Double_t epsi=0., Double_t etht=0.);
88 Double_t SurveyChi2(Double_t *par);
90 Double_t EvalFunction(const TF2 *lFunction, Int_t iP1, Int_t iP2, const Char_t *lCoord);
92 void CalculateTranslation(TF2 *xFunc, TF2 *yFunc, TF2 *zFunc, Int_t iP1, Int_t iP2, Double_t *lCenTemp);
93 // TGeoCombiTrans *CalculateTransformation(TF2 *xFunc, TF2 *yFunc, TF2 *zFunc, TF2 *pFunc, Int_t iP1, Int_t iP2);
95 Double_t CalculateGlobalDiff(TGeoCombiTrans &lTransf, Int_t nPoints, TArrayD &lDiff);
97 Int_t CalculateBestTransf(Int_t iP1, Int_t iP2, Double_t *lXYZ, Double_t *lPTP);
99 void CalculateMeanTransf(Double_t *lXYZ, Double_t *lPTP);
101 /// Set xMin for functions fitting
102 void SetXMin(Double_t xMin) {fXMin = xMin;}
103 /// Set xMax for functions fitting
104 void SetXMax(Double_t xMax) {fXMax = xMax;}
105 /// Set yMin for functions fitting
106 void SetYMin(Double_t yMin) {fYMin = yMin;}
107 /// Set yMax for functions fitting
108 void SetYMax(Double_t yMax) {fYMax = yMax;}
109 /// Set zMin for functions fitting
110 void SetZMin(Double_t zMin) {fZMin = zMin;}
111 /// Set zMax for functions fitting
112 void SetZMax(Double_t zMax) {fZMax = zMax;}
114 virtual void PrintLocalTrf();
115 virtual void PrintAlignTrf();
117 void FillSTHistograms(TString baseNameC, TH2 *hSTc, TString baseNameA="", TH2 *hSTa = 0);
119 Double_t GetAlignResX();
120 Double_t GetAlignResY();
122 AliSurveyPoint* ConvertPointUnits(AliSurveyPoint *stPoint, Float_t lFactor = 0.1);
126 AliMUONSurveyObj(const AliMUONSurveyObj& right);
128 AliMUONSurveyObj& operator = (const AliMUONSurveyObj& right);
130 Double_t EqPlane(const Double_t *x, const Double_t *par) const {
132 return (-par[1]*x[0] +par[0]*x[1] -par[2]); // then psi=ATan(par[0]) and tht=ATan(par[0])
133 // return (-par[0]*x[0] -par[1]*x[1] -par[2]);
136 TObjArray *fSTargets; ///< Array of AliSurveyPoint of Sticker Targets
137 TObjArray *fGBTargets; ///< Array of AliSurveyPoint of Button Targets
138 TObjArray *fLBTargets; ///< Array of TVector3 or AliSurveyPoint of local position of Button Targets
139 TGeoCombiTrans *fLocalTrf; ///< Local transformation
140 TGeoCombiTrans *fAlignTrf; ///< Local alignment transformation
141 TGeoCombiTrans *fBaseTrf; ///< Base Transformation
143 Bool_t fOwnerLocalTrf; ///< Flag for owner of fLocalTrf
144 Bool_t fOwnerAlignTrf; ///< Flag for owner of fAlignTrf
145 Bool_t fOwnerBaseTrf; ///< Flag for owner of fBaseTrf
147 Bool_t fUseCM; ///< Use centimeters, survey units are mm but aliroot uses cm
149 TF2 *fPlane; ///< TF2 for plane fitting
151 TFitter *fFitter; ///< Fitter for best local to global transformation
153 Double_t fXMin; ///< xMin for functions fitting
154 Double_t fXMax; ///< xMax for functions fitting
155 Double_t fYMin; ///< yMin for functions fitting
156 Double_t fYMax; ///< yMax for functions fitting
157 Double_t fZMin; ///< zMin for functions fitting
158 Double_t fZMax; ///< zMax for functions fitting
161 ClassDef(AliMUONSurveyObj, 0) //Class for alignment of muon spectrometer